Churchill: Invasion Risk High

11th September 1940: Radio broadcast tells nation - "If this invasion is going to be tried at all, it does not seem that it can be long delayed."

Vertical aerial photograph taken from 3,100 feet by Bristol Blenheim Mark IV, T2032, of No. 82 Squadron RAF, of part of the docks at Dunkirk. Invasion barges assembled for Operation SEALION are moored to Mole No. 4 in the Bassins de Freycinet. A number of sunk and damaged barges can be seen at the top of Darse No. 4 (upper right), and the dock buildings…